New in retail box Only fits Shimano Dura Ace FC-R9200/FC-R9200-P 54/40T Crankset 54T Chainring is EXCLUDED. Brand Shimano MPN Y0MZ40000 Bolt Center Diameter 110 mm Number of Teeth 40T For Bike Type Road Bike - Racing Part Type Chain Ring UPC 192790167930 ColorBlack MaterialAluminum Chain CompatibilityShimano 12 speed BCD110mm Teeth40T .
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